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30424195 = 56084839
BaseRepresentation
bin111010000001…
…1110010000011
32010020201011001
41310003302003
530242033240
63004032431
7516413164
oct164036203
963221131
1030424195
11161a016a
12a232717
1363c30a9
14407d76b
152a0e89a
hex1d03c83

30424195 has 4 divisors (see below), whose sum is σ = 36509040. Its totient is φ = 24339352.

The previous prime is 30424159. The next prime is 30424213. The reversal of 30424195 is 59142403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59142403 = 471258349.

It is a cyclic number.

It is not a de Polignac number, because 30424195 - 29 = 30423683 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3042415 + ... + 3042424.

It is an arithmetic number, because the mean of its divisors is an integer number (9127260).

Almost surely, 230424195 is an apocalyptic number.

30424195 is a deficient number, since it is larger than the sum of its proper divisors (6084845).

30424195 is an equidigital number, since it uses as much as digits as its factorization.

30424195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6084844.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 30424195 is about 5515.8131766767. The cubic root of 30424195 is about 312.1809265925.

Adding to 30424195 its reverse (59142403), we get a palindrome (89566598).

The spelling of 30424195 in words is "thirty million, four hundred twenty-four thousand, one hundred ninety-five".

Divisors: 1 5 6084839 30424195